Breaking Bad is hurtling toward its finale at a breakneck pace — each episode of the second half of Season 2 packed with wrenching tensions and only four installments remaining before it all ends on September 29.

Now we have one cryptic clue about the show's final moments, which comes in the form of six letters:

It could be no more complicated than a simple anagram: "Felina" can be rearranged to spell "finale."

According to Wikipedia, Felina is the name of a professional wrestler, a DC Comics character, a princess's pet in the world of The Wizard of Oz, a professor in the Pokemon universe, a reggaeton singer, and a Filipino TV drama.

It's also the feminine version of the Spanish word for "feline."

But, in perhaps the coolest theory, one fan on Reddit has pointed out that "Fe" is the chemical symbol for iron, which essential for blood; "Li" stands for lithium, which is used in meth-cooking, and "Na" is sodium, which is found in tears. So "Felina" could refer to "blood, meth, and tears," a bastardization of the idiom "blood, sweat, and tears."

Do you have any other ideas? Let us know in the comment section below!